Question

4g of CH4 at 0C and 1 atm pressure has_molecules ofCH4

Answer 1

Explanation:

no of moles = m/molecular wt

= 4/(16) = 0.25

avogadros no.

1 mole = 6.023*10^23 molecules

0.25 mole will have

6.023*10^23 *0.25=1.505*10^23

no. of molecules